@article{communicationefficienthierarchical,
  title = {Communication-Efficient Hierarchical Federated Learning for IoT Heterogeneous Systems with Imbalanced Data},
  author = {Alaa Awad Abdellatif and Naram Mhaisen and Amr Mohamed and Aiman Erbad and Mohsen Guizani and Zaher Dawy and Wassim Nasreddine},
  year = {2021},
  eprint = {2107.06548},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.06548v1},
}